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Finding the Fourth Proportional to 222,179.76, 333,190.83 and 79,986.86

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Solution

The fourth proportional to 222,179.76, 333,190.83 and 79,986.86 is: 119,951.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,179.76 : 333,190.83 = 79,986.86 : x
  2. Step 2: Convert to fraction form
    222,179.76/333,190.83 = 79,986.86/x
  3. Step 3: Cross multiply
    222,179.76x = 333,190.83 × 79,986.86
  4. Step 4: Simplify right side
    222,179.76x = 26,650,888,272.49
  5. Step 5: Solve for x
    x = 26,650,888,272.49/222,179.76
  6. Step 6: Final answer
    x = 119,951.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.